const _= require('lodash')
const array = ['first','uni','vue','react']
// console.log(_.first(array))
// console.log(_.last(array))
// console.log(_.toUpper(_.last(array)))
console.log(_.reverse(array))
const a = _.each(array,(item,index)=>{
    console.log(item,index)
})
console.log(a)
array.includes